18123226

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{227}}^1$

素因数の和:450

約数の個数: 32

約数和(自身を含む): 31518720

約数和(自身を除く): 13395494

約数列:

[1, 2, 11, 19, 22, 38, 191, 209, 227, 382, 418, 454, 2101, 2497, 3629, 4202, 4313, 4994, 7258, 8626, 39919, 43357, 47443, 79838, 86714, 94886, 476927, 823783, 953854, 1647566, 9061613, 18123226]

約数ペア:

[(1, 18123226), (2, 9061613), (11, 1647566), (19, 953854), (22, 823783), (38, 476927), (191, 94886), (209, 86714), (227, 79838), (382, 47443), (418, 43357), (454, 39919), (2101, 8626), (2497, 7258), (3629, 4994), (4202, 4313)]